body {
  margin: 0;
}
.wapper {
  height: 606px;
  width: 1800px;
  margin: 0 auto;
  background-image: url(../upload/image1.png);
  background-size: 100%;
}
.wapper a {
  width: 159px;
  height: 39px;
  background-color: #c7000b;
  display: inline-block;
  margin-top: 212px;
  margin-left: 839px;
  text-decoration: none;
  font-size: 14px;
  color: #fff;
  text-align: center;
  line-height: 39px;
}
.top {
  height: 23px;
  background-color: #111111;
}
.first {
  height: 73px;
  background-color: #fff;
  border-bottom: solid 1px #e6e6e6;
}
.first span {
  display: inline-block;
  width: 126px;
  height: 28px;
  background-image: url(../upload/logo.png);
  background-size: 100%;
  margin-top: 21px;
  margin-left: 119px;
}
.second {
  width: 128px;
  font-size: 32px;
  margin: 76px auto;
  padding-bottom: 11px;
  border-bottom: solid 2px #c7000b;
}
.bottom {
  position: relative;
  height: 572px;
  background-color: #f2f2f2;
}
.last {
  height: 46px;
  background-color: #e6e6e6;
}
.body {
  width: 1339px;
  display: flex;
  margin: 0 auto;
  flex-wrap: wrap;
  padding-bottom: 28px;
}
.large {
  width: 865px;
  height: 419px;
  object-fit: fill;
  margin: 14px;
}
.img_a {
  overflow: hidden;
  position: relative;
}

section div img {
  /* display: block; */
  transition: all 1s;
  width: 100%;
}

section div:hover img {
  width: 105%;
}
.mask {
  top: 0px;
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  transition: all 1s;
}
section div:hover .mask {
  background-color: rgba(0, 0, 0, 0.5);
}

.intro {
  width: 300px;
  color: white;
  position: absolute;
  font-weight: 100;
  left: 40px;
  bottom: -40px;
  transition: all 0.7s;
}
.intro p {
  font-family: "微软雅黑";
  font-weight: 100;
}
section div:hover .intro {
  bottom: 10px;
}

.medium {
  width: 418px;
  height: 419px;
  margin: 14px;
}
.small {
  width: 418px;
  height: 280px;
  margin: 14px;
}
.bottom #lianjie {
  /* position: absolute; */
  margin: 0 auto;
  width: 1340px;
  height: 510px;
  /* border: solid 1px black; */
}
.bottom #lianjie ul {
  padding: 0;
  list-style: none;
  width: 300px;
  float: left;
}
.bottom #lianjie ul:nth-of-type(1) {
  margin-left: 100px;
}
.bottom #lianjie ul li {
  padding: 10px 0;
}
